Sunsetting, nerfs, and new additions can make it a royal pain to learn which ones are worth your time. While none of these expansions added Weapons 2.0, they have certainly changed the perk meta. Related: Destiny 2: The Best Rolls For The New Season Of The Lost Weapons
Armor got a massive expansion in Shadowkeep, and Stasis demonstrates a fundamental redesign in subclass customization as seen in Beyond Light. Destiny 2's yearly expansions focus heavily on adding depth to its various systems.